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. 2019 Feb 1;163:344–352. doi: 10.1016/j.ejmech.2018.11.068

Scheme 5.

Scheme 5

Synthesis of Plm inhibitors 5a,b. Reagents and conditions: a) General procedure B: (n-Pr)2NH (1.2 equiv), HBTU (1 equiv), NEt3 (2 equiv), DMF, rt, 2 h b) General procedure C: aqueous 1 M NaOH (1.5 equiv), MeOH, 50 °C, 18 h c) General procedure D: amino alcohol (R,S)–11 (1.0 equiv), HBTU (1.0 equiv), NEt3 (4 equiv), DMF, rt, 16 h.